Home / 742,203,400.12-1,024,212,632.06-412,199,796.76

Finding the Fourth Proportional to 742,203,400.12, 1,024,212,632.06 and 412,199,796.76

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Solution

The fourth proportional to 742,203,400.12, 1,024,212,632.06 and 412,199,796.76 is: 568,820,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,203,400.12 : 1,024,212,632.06 = 412,199,796.76 : x
  2. Step 2: Convert to fraction form
    742,203,400.12/1,024,212,632.06 = 412,199,796.76/x
  3. Step 3: Cross multiply
    742,203,400.12x = 1,024,212,632.06 × 412,199,796.76
  4. Step 4: Simplify right side
    742,203,400.12x = 422,180,238,774,156,608
  5. Step 5: Solve for x
    x = 422,180,238,774,156,608/742,203,400.12
  6. Step 6: Final answer
    x = 568,820,135.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.